In a large bowl, combine the flour, sugar, baking powder and salt. Cut in 1/3 cup butter until mixture resembles coarse crumbs. Stir in milk just until moistened.
Turn dough onto a lightly floured surface; knead gently for 1-2 minutes or until smooth. Roll into a 12-in. x 10-in. rectangle. Melt remaining butter; brush over dough to within 1/2 in. of edges.
Combine the pecans, brown sugar, raisins, cinnamon and allspice; sprinkle over dough to within 1/2 in. of edges. Roll up jelly-roll style, starting with a long side; pinch seam to seal. Cut into 12 slices. Place cut side up on a greased baking sheet; press down lightly.
Beat egg yolk and milk; brush over rolls. Bake at 425° for 12-14 minutes or until golden brown. Remove from pan to a wire rack. Serve warm.
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